Energy Flow Question Preview (ID: 13564)


Energy Flow. TEACHERS: click here for quick copy question ID numbers.

How many directions does energy flow?
a) 1
b) 2
c) 3
d) 4

How much energy gets passed on to the next trophic level?
a) 10%
b) 90%
c) 50%
d) 25%

How much energy is lost between trophic levels?
a) 10%
b) 90%
c) 50%
d) 25%

What happens to the energy that is lost between trophic levels?
a) It disappears
b) It is lost as heat or used in cellular processes
c) It goes to the ground
d) Another animal gets it

If 24,368 kcals of energy is available to the producer, how much is available to the secondary consumer?
a) 2.4368
b) 243.68
c) 24.368
d) 2436.8

If 24,368 kcals of energy is available to the producer, how much is available to the quaternary consumer?
a) 2.4368
b) 243.68
c) 24.368
d) 2436.8

If 24,368 kcals of energy is available to the producer, how much is available to the primary consumer?
a) 2.4368
b) 243.68
c) 24.368
d) 2436.8

If 24,368 kcals of energy is available to the producer, how much is available to the tertiary consumer?
a) 2.4368
b) 243.68
c) 24.368
d) 2436.8

Why is a pyramid used to represent energy flow?
a) It has different levels, just like a food chain
b) Because there are more top consumers that producers
c) Because there is more energy available to producers and as you go up the pyramid it decreases
d) Energy can flow in either direction in the pyramid

Why is there more producers than top consumers?
a) More energy is available to producers
b) More energy is availble to top consumers
c) The animals need a lot of producers
d) This isn't true...there are more top consumers than producers

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